Bidens bipinnata (Spanish Needles) is a species of annual herb in the family Asteraceae. They have a self-supporting growth form. They are associated with freshwater habitat. They are native to The Contiguous United States. They have broad leaves. Flowers are visited by Vanessa cardui, Beet webworm moth, Calleida punctata, and Sleepy Orange. Individuals can grow to 0.96 m.
EOL has data for 19 attributes, including: